Pederson, Donald O., author
McGraw-Hill, 1966
Buku Teks
Smith, Ralph J., author
John Wiley & Sons, 1980
Buku Teks
Smith, Ralph J., author
John Wiley & Sons, 1987
Buku Teks
Uffenbeck, John E., author
Prentice-Hall, 1982
Buku Teks
Hughes, Fredrick W., author
Prentice-Hall, 1983
Buku Referensi